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/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef InspectorDOMAgent_h
#define InspectorDOMAgent_h
#include "EventListener.h"
#include "ScriptArray.h"
#include "ScriptObject.h"
#include "ScriptState.h"
#include <wtf/ListHashSet.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class Element;
class Event;
class Document;
class InspectorFrontend;
class NameNodeMap;
class Node;
class Page;
class InspectorDOMAgent : public EventListener {
public:
InspectorDOMAgent(InspectorFrontend* frontend);
~InspectorDOMAgent();
// Methods called from the frontend.
void getChildNodes(long callId, long elementId);
void setAttribute(long callId, long elementId, const String& name, const String& value);
void removeAttribute(long callId, long elementId, const String& name);
void setTextNodeValue(long callId, long elementId, const String& value);
// Methods called from the InspectorController.
void setDocument(Document* document);
Node* nodeForId(long nodeId);
long idForNode(Node* node);
long pushNodePathToFrontend(Node* node);
private:
void startListening(Document* document);
void stopListening(Document* document);
virtual void handleEvent(Event* event, bool isWindowEvent);
long bind(Node* node);
void unbind(Node* node);
void pushDocumentElementToFrontend();
void pushChildNodesToFrontend(long elementId);
ScriptObject buildObjectForNode(Node* node, int depth);
ScriptArray buildArrayForElementAttributes(Element* elemen);
ScriptArray buildArrayForElementChildren(Element* element, int depth);
// We represent embedded doms as a part of the same hierarchy. Hence we treat children of frame owners differently.
// We also skip whitespace text nodes conditionally. Following methods encapsulate these specifics.
Node* innerFirstChild(Node* node);
Node* innerNextSibling(Node* node);
Node* innerPreviousSibling(Node* node);
int innerChildNodeCount(Node* node);
Element* innerParentElement(Node* node);
bool isWhitespace(Node* node);
Document* mainFrameDocument();
void discardBindings();
InspectorFrontend* m_frontend;
HashMap<Node*, long> m_nodeToId;
HashMap<long, Node*> m_idToNode;
HashSet<long> m_childrenRequested;
long m_lastNodeId;
ListHashSet<RefPtr<Document> > m_documents;
RefPtr<EventListener> m_eventListener;
};
} // namespace WebCore
#endif // !defined(InspectorDOMAgent_h)
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